Home / 27,580.23-41,352.21-18,191.61

Finding the Fourth Proportional to 27,580.23, 41,352.21 and 18,191.61

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Solution

The fourth proportional to 27,580.23, 41,352.21 and 18,191.61 is: 27,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.23 : 41,352.21 = 18,191.61 : x
  2. Step 2: Convert to fraction form
    27,580.23/41,352.21 = 18,191.61/x
  3. Step 3: Cross multiply
    27,580.23x = 41,352.21 × 18,191.61
  4. Step 4: Simplify right side
    27,580.23x = 752,263,276.96
  5. Step 5: Solve for x
    x = 752,263,276.96/27,580.23
  6. Step 6: Final answer
    x = 27,275.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.